Vitamin K2 (MK-7) + D3
Support bone health by aiding calcium absorption and helping direct calcium to the bones
Forms
Combined capsules, softgels, or drops pairing vitamin K2 as MK-7 with vitamin D3
Advantages
Vitamin D3 supports calcium absorption while K2 helps direct calcium into bone; convenient combined dosing
Disadvantages
Evidence for the combined cardiovascular benefit is still developing; doses vary widely between products
Side effects
Generally well tolerated; excess vitamin D can cause nausea and raised blood calcium
Interactions
Vitamin K2 can reduce the effectiveness of warfarin and similar anticoagulants; do not use without medical advice if on blood thinners
At-risk groups
People on warfarin or other anticoagulants must consult their doctor; caution in conditions that raise blood calcium
Cautions
Do not take vitamin D above 4000 IU/day without testing; have vitamin D levels checked before higher doses
Related symptoms
Educational information only — not medical advice. This content does not diagnose, treat, or replace consultation with a qualified healthcare professional. Always seek professional medical advice for symptoms, supplement use, or health concerns.